Abstract
BACKGROUND: Arrhythmogenic right ventricular (RV) cardiomyopathy (ARVC) is a regional disease of the RV myocardium with variable degrees of left ventricular involvement. Three-dimensional echocardiography and Doppler tissue imaging (DTI) are new echocardiographic modalities for the evaluation of global and regional function, but the diagnostic potential remains to be assessed.
METHODS: Twenty patients with previously established ARVC were evaluated by 3-dimensional echocardiography and DTI, and compared with 32 age- and sex-matched control subjects.
RESULTS: Using 3-dimensional echocardiography, patients with ARVC had a decreased RV ejection fraction (0.47 +/- 0.08 vs 0.53 +/- 0.05, P < .01), and a decreased peak lateral systolic annular velocity by pulsed wave imaging of both the RV (11.9 +/- 2.6 vs 15.1 +/- 3.7 cm/s, P < .01) and the left ventricle (7.0 +/- 2.6 vs 9.5 +/- 1.9 cm/s, P < .01). DTI showed decreased regional systolic strain, but with wide variation in the measurements.
CONCLUSION: Three-dimensional echocardiography identifies decreased RV ejection fraction in ARVC. Assessment of regional contractility by DTI is limited by wide variation. Echocardiographic evaluation of the longitudinal motility appears to be a sensitive marker of preclinical left ventricular involvement.
| Original language | English |
|---|---|
| Journal | Journal of the American Society of Echocardiography |
| Volume | 20 |
| Issue number | 1 |
| Pages (from-to) | 27-35 |
| Number of pages | 9 |
| ISSN | 0894-7317 |
| DOIs | |
| Publication status | Published - Jan 2007 |
Keywords
- Adult
- Aged
- Arrhythmogenic Right Ventricular Dysplasia
- Atrial Natriuretic Factor
- Biomarkers
- Biopsy, Needle
- Case-Control Studies
- Confidence Intervals
- Echocardiography
- Echocardiography, Three-Dimensional
- Female
- Heart Function Tests
- Humans
- Magnetic Resonance Imaging
- Male
- Middle Aged
- Natriuretic Peptide, Brain
- Probability
- Reference Values
- Sensitivity and Specificity
- Severity of Illness Index
- Ventricular Dysfunction, Right
- Journal Article
- Research Support, Non-U.S. Gov't
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